Release v1.9.0

[MrAlias]

Upgrades all go.opentelemetry.io/otel dependencies to v1.9.0.

Added

• The TextMapPropagator function to go.opentelemetry.io/contrib/propagators/autoprop.
  This function is used to return a composite TextMapPropagator from registered names (instead of having to specify with an environment variable). (Add TextMapPropagator function to autoprop #2593)

Changed

• Upgraded all semconv package use to v1.12.0. (Upgrade to semconv v1.12.0 #2589)

[codecov]

Codecov Report

Merging #2619 (cd2c984) into main (758f66b) will increase coverage by 5.3%.
The diff coverage is 37.7%.

@@           Coverage Diff           @@
##            main   #2619     +/-   ##
=======================================
+ Coverage   74.3%   79.7%   +5.3%     
=======================================
  Files        144     149      +5     
  Lines       6569    6634     +65     
=======================================
+ Hits        4883    5288    +405     
+ Misses      1543    1187    -356     
- Partials     143     159     +16     

Impacted Files	Coverage Δ
detectors/aws/ec2/version.go	0.0% <0.0%> (ø)
detectors/aws/ecs/version.go	0.0% <0.0%> (ø)
detectors/aws/eks/version.go	0.0% <0.0%> (ø)
detectors/gcp/version.go	0.0% <0.0%> (ø)
...thub.com/Shopify/sarama/otelsarama/test/version.go	0.0% <0.0%> (ø)
...github.com/astaxie/beego/otelbeego/test/version.go	0.0% <0.0%> (ø)
...tion/github.com/astaxie/beego/otelbeego/version.go	0.0% <0.0%> (ø)
...thub.com/aws/aws-sdk-go-v2/otelaws/test/version.go	0.0% <0.0%> (ø)
...z/gomemcache/memcache/otelmemcache/test/version.go	0.0% <0.0%> (ø)
...om/emicklei/go-restful/otelrestful/test/version.go	0.0% <0.0%> (ø)
... and 50 more